1. What structural parameters influence the melting point of a polymer?
+ Factors Affecting the crystalline melting point
1 InterMolecular Bonding/Interactions:
2 The Effect of Chemical Structure:
3 Chain Flexiblity:
4 Copolymerisation:
Polymer science and technology By Robert Oboigbaotor Ebewele
– Pressure
Tm(P) = Tm(o) + sm’P
– Molecular Mass
1 1 R 2
— –
– Moleclar Asymmetry: Symmetry of the structural unit ellevates, asymmertry depresses the melting point.
– Co-polymers & Tg & Tm:
